行业组件数据 · 2026

接地端子

A grounding terminal is a critical electrical component that provides a safe, low-resistance path to earth for fault currents, static discharge, and electromagnetic interference in EMI filter panels.

技术定义与适配语境
典型 接地端子 会按材料、尺寸公差、适配关系和失效风险在 电气设备制造 中评估。

A grounding terminal is a specialized electrical connection point designed to establish a reliable conductive path between equipment and the earth ground. In EMI filter panels, it serves as the central grounding point where all grounding conductors from the filter components, chassis, and external equipment are terminated. This component ensures proper bonding, reduces ground loop interference, and maintains electrical safety by providing a controlled path for fault currents and electromagnetic discharge.

组件规格

定义
A grounding terminal is a specialized electrical connection point designed to establish a reliable conductive path between equipment and the earth ground. In EMI filter panels, it serves as the central grounding point where all grounding conductors from the filter components, chassis, and external equipment are terminated. This component ensures proper bonding, reduces ground loop interference, and maintains electrical safety by providing a controlled path for fault currents and electromagnetic discharge.
工作原理
The grounding terminal operates on the principle of equipotential bonding and earth reference. It creates a common reference point at zero potential by connecting to the earth ground through a grounding conductor. When installed in an EMI filter panel, it collects all grounding wires from filter capacitors, inductors, and metal enclosures, directing unwanted electrical noise, transient voltages, and fault currents safely to ground. This prevents voltage differentials, reduces electromagnetic interference, and protects both equipment and personnel from electrical hazards.
材料
High-conductivity copper alloy (typically C11000 or C10100) with tin or silver plating for corrosion resistance and low contact resistance. Terminal body may be brass or bronze. Insulation materials include high-temperature thermoplastics like PBTnylonor ceramic for high-voltage applications.
IP Rating
IP20 to IP67 depending on application
Mounting Type
Panel mount with M6 to M12 bolts
Current Rating
50A to 200A
Voltage Rating
Up to 1000V AC/DC
Wire Size Range
6 AWG to 500 MCM
Temperature Range
-40°C to +105°C
Contact Resistance
< 0.5 mΩ
标准
ISO 3864IEC 60947-7-1UL 486ADIN 46234

行业分类与别名

接地端子 的常用贸易名称、技术标识和检索关键词。

上级产品

该组件会出现在以下整机或工业产品中。

FMEA · 风险与缓解

诱因 → 失效模式 → 工程缓解

Corrosion or contamination on contact surfaces->Increased contact resistance leading to overheating and potential fire hazard->Use plated contacts, apply antioxidant compounds, implement regular inspection and cleaning schedules
Insufficient torque during installation->Loose connection causing arcing, intermittent grounding, and equipment damage->Use calibrated torque tools, follow manufacturer specifications, implement torque verification procedures
Material fatigue from thermal cycling->Cracking or deformation leading to poor contact and unreliable grounding->Select materials with appropriate thermal expansion coefficients, design for thermal stress relief, implement preventive maintenance

工业生态与工程逻辑

0
Poor contact resistance leading to overheating
1
Corrosion causing increased impedance
2
Improper installation creating ground loops
3
Inadequate current capacity during faults
4
Loose connections causing arcing

合规与检测

tolerance
Contact resistance variation < 10% of specified value, dimensional tolerance ±0.2mm
test method
Contact resistance measured using 4-wire Kelvin method per IEC 60512-5-2, dielectric strength tested per IEC 60950-1, temperature rise tested per UL 486A

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来自 CNFX 组件能力表的相关制造商资料。

制造商列表用于前期研究和供应商能力理解,不代表认证、排名或交易担保。

采购评估维度

不是客户评论,也不是实时热度。以下维度用于前期 RFQ 准备和供应商评估。

技术文档
4/5
制造能力
4/5
可检验性
5/5
供应商透明度
3/5

这些分值是采购评估维度示例,不代表真实客户评分、具体国家买家反馈或实时询盘。

相关组件

常见问题

Why is proper grounding important in EMI filter panels?

Proper grounding in EMI filter panels is essential for safety and performance. It provides a path for fault currents, prevents electrical shock hazards, reduces electromagnetic interference by directing noise to ground, and ensures filter components function correctly by maintaining proper reference potential.

What materials are best for grounding terminals in corrosive environments?

For corrosive environments, use grounding terminals with silver or tin plating over copper alloy bodies. Stainless steel hardware, sealed designs with IP67 rating, and corrosion-resistant insulators like ceramic or specially coated plastics provide optimal durability and maintain low contact resistance.

How do I select the right size grounding terminal for my application?

Select based on maximum fault current, wire size, and environmental conditions. Consider current rating (typically 1.5 times expected fault current), wire compatibility, temperature range, and required certifications. Always follow local electrical codes and manufacturer specifications.

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CNFX Industrial Component Index · 电气设备制造

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URN:CNFX:ME:UNIT:GROUNDING_TERMINAL